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Seiko Brightz World Time SAGZ105 (Titanium)

Archive · used only

The Seiko Brightz World Time SAGZ105 (Titanium) was a 38.5 mm titanium dress watch with a Seiko Cal. 7B27 solar quartz movement. The case is surface-hardened, which guards against the scuffs bare titanium picks up. It is no longer made, so this page is a reference for buying one used.

All Seiko watchesDress watchesUnder $1,000Under 11 mm thickSolarWorldtimer
Price
$579
Material
Titanium
Grade / type
Titanium (Diamond Shield hard coating)
Water resistance
100 m
Type
Dress
Case diameter
38.5 mm
Thickness
9.2 mm
Lug-to-lug
45.7 mm
Origin
Japan
Movement
Solar radio-controlled quartz (world time)
Caliber
Seiko Cal. 7B27
Complications
Worldtimer, Date
Colour
Grey
Surface treatment
Diamond Shield hard coating
Finish technology
Surface hardening
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Crocodile leather strap
Crystal
Sapphire, super-clear coating (curved)
Display back
No
Dial
Black
Dial colours
Black
Availability
No longer offered
Status
No longer in production (discontinued JDM Brightz)
Not published
Reference, Weight, Power reserve, Hardness, Construction, Caseback, Matching bracelet, Lume
Medium confidence Verified Aug 2026 Source: SakuraWatches (SAGZ105, Titanium Hard Coating) / Yodobashi (SAGZ105) Spec checksGrade Jun 2026Price Aug 2026 Suggested by u/StudioZanello
Facts are free to cite with a link.
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Frequently asked questions

What grade of titanium is the Seiko Brightz World Time SAGZ105 (Titanium)?

Titanium, with no grade stated. The record is at medium confidence, so check the maker's page before relying on it.

What size is the Seiko Brightz World Time SAGZ105 (Titanium)?

The case is 38.5 mm across, 9.2 mm thick and 45.7 mm from lug to lug. It is water resistant to 100 m.

How much does the Seiko Brightz World Time SAGZ105 (Titanium) cost, and is it available?

It is no longer made, so the only way to buy one is used. Its list price when it was in production was $579.

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